Atmos EnergyATO +0.63%85 EV-to-FCF is -19.33 as of Jun. 26, 2026. GuruFocus rates ATO with a GF Score™ of 85/100 and a GF Value™ of $155.92 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 295 Utilities - Regulated companies, Atmos Energy ranks worse than 338982.71% on this metric.
EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, Atmos Energy's Enterprise Value is $38,493 Mil.
Atmos Energy's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 was $-1,991 Mil. Therefore, Atmos Energy's EV-to-FCF for today is -19.33.
The historical rank and industry rank for Atmos Energy's EV-to-FCF or its related term are showing as below:
ATO'
s EV-to-FCF Range Over the Past 10 Years
Min: -64.3 Med: -22.72 Max: 52.58
Current: -19.33
During the past 13 years, the highest EV-to-FCF of Atmos Energy was 52.58. The lowest was -64.30. And the median was -22.72.
ATO's EV-to-FCF is ranked worse than 100% of 295
companies
in the Utilities - Regulated industry
Industry Median: 18.32
vs ATO: -19.33
EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
Atmos Energy's PE Ratio (TTM) for today is calculated as:
Atmos Energy's share price for today is $173.67.
Atmos Energy's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $8.130.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.
Atmos Energy EV-to-FCF Related Terms
Atmos Energy EV-to-FCF Historical Data
* Premium members only.
The historical data trend for Atmos Energy's EV-to-FCF can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Utilities - Regulated Gas subindustry, Atmos Energy's EV-to-FCF, along with its competitors' market caps and EV-to-FCF data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Atmos Energy EV-to-FCF vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Atmos Energy's EV-to-FCF distribution charts can be found below:
* The bar in red indicates where Atmos Energy's EV-to-FCF falls into.
Atmos Energy's current Enterprise Value is $38,493 Mil.
Atmos Energy's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-1,991 Mil.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Atmos Energy (ATO) has a EV-to-FCF of -19.33 as of Jun. 26, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Atmos Energy and its competitors. According to the industry distribution chart, Atmos Energy ranks #999999 out of 295 companies in the Utilities - Regulated industry.
Is Atmos Energy's EV-to-FCF too high?
Atmos Energy's current EV-to-FCF is -19.33. Based on the distribution chart, Atmos Energy ranks #999999 out of 295 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Atmos Energy has a GF Score™ of 85/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Atmos Energy's EV-to-FCF compare to NI and UGI?
According to the Utilities - Regulated industry distribution chart, Atmos Energy ranks #999999 out of 295 companies for EV-to-FCF. This places Atmos Energy in the lower half of its industry. The industry median EV-to-FCF is 18.32. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for an Utilities - Regulated company?
The median EV-to-FCF among Utilities - Regulated companies is 18.32, based on 295 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Atmos Energy and its competitors. For the Utilities - Regulated industry, the median EV-to-FCF is 18.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Atmos Energy's current EV-to-FCF is -19.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Atmos Energy stock overvalued right now?
Based on GuruFocus' analysis, Atmos Energy (ATO) is currently considered Modestly Overvalued. The stock's GF Value™ is $155.92, compared to a current price of $173.67 — trading 11.4% above its estimated fair value. The current EV-to-FCF is -19.33. Atmos Energy's overall GF Score™ is 85/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For Atmos Energy (ATO), the current EV-to-FCF is -19.33 as of Jun. 26, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Atmos Energy (ATO) Overvalued in 2026?
Based on GuruFocus' analysis, Atmos Energy stock appears to be overvalued.
The current stock price of $173.67 is trading 11.4% above its estimated GF Value™ of $155.92.
GuruFocus considers Atmos Energy to be Modestly Overvalued.
Key valuation signals for ATO:
EV-to-FCF: -19.33
GF Value™: $155.92 vs. price of $173.67 (11.4% above fair value)
No single metric tells the full story. See the ATO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Atmos Energy is the largest publicly traded, fully regulated, pure-play natural gas utility in the United States, serving more than 3.3 million customers in Texas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Tennessee, and Virginia. About two thirds of its earnings come from Texas, where it distributes natural gas in northern Texas and owns an intrastate gas pipeline spanning several key shale gas formations and interconnected with five storage facilities.
85GF Score
Get the complete analysis for ATO
EV-to-FCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ATO has been successfully added to your 
